6-Piece Glass Lens Set, 38mm (Convex, Concave, Plano, Meniscus) Subcategory_Microscope Slides this silicone-belt Van de Graaff

this silicone-belt Van de Graaff generator demonstrates charge conservation

5-inch female pelvis model demonstrates 9-month pregnancy anatomy and fetal positioning before delivery for obstetrics teaching

75-inch analog-to-digital converter samples and quantizes a continuous input into a binary digital output for student visualization

illustrating the high-ratio speed reduction and self-locking action of worm gearing

6-Piece Glass Lens Set, 38mm (Convex, Concave, Plano, Meniscus) Subcategory_Microscope Slides this silicone-belt Van de GraaffSix piece glass lens set at 38mm diameter covering double convex, double concave, plano convex, converging meniscus, diverging meniscus, and plano concave geometries.